/*
* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
*    1. Redistributions of source code must retain the above copyright notice, this list of
*       conditions and the following disclaimer.
*
*    2. Redistributions in binary form must reproduce the above copyright notice, this list
*       of conditions and the following disclaimer in the documentation and/or other materials
*       provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
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* The views and conclusions contained in the software and documentation are those of the
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*/

package mage.sets.shardsofalara;

import java.util.UUID;
import mage.Constants.CardType;
import mage.Constants.Outcome;
import mage.Constants.Zone;
import mage.MageInt;
import mage.abilities.common.EntersBattlefieldTriggeredAbility;
import mage.abilities.effects.common.SearchLibraryPutInPlayEffect;
import mage.abilities.keyword.FirstStrikeAbility;
import mage.cards.CardImpl;
import mage.filter.FilterCard;
import mage.filter.common.FilterLandPermanent;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.events.ZoneChangeEvent;
import mage.sets.ShardsOfAlara;
import mage.target.common.TargetCardInLibrary;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public class KnightOfTheWhiteOrchid extends CardImpl {

	public KnightOfTheWhiteOrchid(UUID ownerId) {
		super(ownerId, "Knight of the White Orchid", new CardType[]{CardType.CREATURE}, "{W}{W}");
		this.expansionSetId = ShardsOfAlara.getInstance().getId();
		this.subtype.add("Human");
		this.subtype.add("Knight");
		this.color.setWhite(true);
		this.art = "116188_typ_reg_sty_010.jpg";
		this.power = new MageInt(2);
		this.toughness = new MageInt(2);

		this.addAbility(new KnightOfTheWhiteOrchidAbility());
		this.addAbility(FirstStrikeAbility.getInstance());
	}

}

class KnightOfTheWhiteOrchidAbility extends EntersBattlefieldTriggeredAbility {

	public KnightOfTheWhiteOrchidAbility() {
		super(null, true);
		FilterCard filter = new FilterCard("Plains");
		filter.getName().add("Plains");
		TargetCardInLibrary target = new TargetCardInLibrary(filter);
		addEffect(new SearchLibraryPutInPlayEffect(target, false, Outcome.PutLandInPlay));
	}

	@Override
	public boolean checkTrigger(GameEvent event, Game game) {
		if (event.getType() == EventType.ZONE_CHANGE && event.getTargetId().equals(this.getSourceId()) ) {
			ZoneChangeEvent zEvent = (ZoneChangeEvent)event;
			if (zEvent.getToZone() == Zone.BATTLEFIELD) {
				trigger(game, this.controllerId);
				return true;
			}
		}
		return false;
	}

	@Override
	public boolean checkIfClause(Game game) {
		FilterLandPermanent filter = new FilterLandPermanent();
		filter.getControllerId().clear();
		filter.getControllerId().add(this.controllerId);
		int numLands = game.getBattlefield().count(filter);
		for (UUID opponentId: game.getOpponents(this.controllerId)) {
			filter.getControllerId().clear();
			filter.getControllerId().add(opponentId);
			if (numLands < game.getBattlefield().count(filter)) {
				return true;
			}
		}
		return false;
	}


	@Override
	public String getRule() {
		return "When {this} enters the battlefield, if an opponent controls more lands than you, you may " + super.getRule();
	}

}